A Grammatical Dictionary of Botanical Latin

Fornix,-icis (s.m.III), abl. sg. fornice: “little arched scales in the orifice of some flowers” (Lindley); small scale, lit. 'arch, vault; brothel;' “in anatomy: an arch or fold or an arched or folded structure” (WIII), also “one of the small arched scales in the throat of the corolla of some plants (as members of the genus Myosotis)” (WIII)[> L. fornix,-icis (s.m.III), an arch or vault]; see scale;